Hatsan AT44 Huma Regulator Hatsan Bullboss .25 Caliber Huma Regulator


Price: $115.00


Part Number: HRHAT4425


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DescriptionSpecificationsRebuild Kit
For Hatsan bullboss Series of airguns in .25 caliber Huma Air has designed a pressure regulator that can be pushed into the pressure tube.

Huma Air regulators reduce the primary high fill pressure in the cylinder to a steady lower pre-set working pressure. This gives the air rifle a consistent pellet speed resulting in less variations in the point of impact.

Frequently Asked Questions

The regulator comes preset from Huma Air with the most common pressure setting and also includes and adjustment feature with a pressure scale label allowing you to adjust the final output pressure that is suitable to your needs.

Click here for instruction to adjust the Huma Air regluator

Click here for a photo

The regulator is placed inside the pressure tube of the rifle and and is vented to the atmosphere. If your are unfamiliar with installing an airgun regulator or working with high pressure air we recommend having it installed by a qualified gunsmith.

Click here for Installation Instructions

The Huma Air regulator is a “Component” that many times can benefit from having additional internal gun / valve / plumbing modifications done to optimize performance and efficiency.

Personal preference on PCP air gun performance varies from person to person, and as such, we at Trenier Outdoors do not offer in depth specific tuning or installation advice.  We recommend a professional installer / tuner to get the most from your Huma Air Regulator.

Airgun Tuners and Regulator Installers

Motorheads Air Gun Tuning Services

Manufacturer: Huma Air
For: Hatsan BullbossHatsan Bullboss .25 Caliber Huma Regulator .25 Caliber
Type: Internal
Vent: Atmosphere – no drilling

Huma Regulator Rebuild Kit Although Huma Air regulators are built with only high quality materials, the o-rings can wear over time. The rebuild kit contains a double replacement set of seals for the set screw and regulator piston as well as the external o-rings of the regulator. A replacement of the special valve disk and a syringe with high quality silcone grease to lubricate the regulator parts. Price $9.00 Buy

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